Bugfix - Obtainium doesn't update with other Apps

Still no auto retry for rate-limit. Instead, rate-limit errors are ignored and the unchecked Apps have to wait until the next cycle. Even this needs more testing before release.

android/app/src/main/AndroidManifest.xml

@@ -30,6 +30,16 @@
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
     </application>
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />

android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <external-path path="Android/data/dev.imranr.obtainium/" name="files_root" />
+    <external-path path="." name="external_storage_root" />
+</paths>

lib/app_sources/fdroid.dart

@@ -9,8 +9,14 @@ class FDroid implements AppSource {
 
   @override
   String standardizeURL(String url) {
-    RegExp standardUrlRegEx = RegExp('^https?://$host/[^/]+/packages/[^/]+');
+    RegExp standardUrlRegExB =
-    RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
+        RegExp('^https?://$host/+[^/]+/+packages/+[^/]+');
+    RegExpMatch? match = standardUrlRegExB.firstMatch(url.toLowerCase());
+    if (match != null) {
+      url = 'https://$host/packages/${Uri.parse(url).pathSegments.last}';
+    }
+    RegExp standardUrlRegExA = RegExp('^https?://$host/+packages/+[^/]+');
+    match = standardUrlRegExA.firstMatch(url.toLowerCase());
     if (match == null) {
       throw notValidURL(runtimeType.toString());
     }
@@ -54,4 +60,7 @@ class FDroid implements AppSource {
 
   @override
   List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
 }

lib/app_sources/github.dart

@@ -1,7 +1,11 @@
 import 'dart:convert';
+import 'package:flutter/material.dart';
 import 'package:http/http.dart';
 import 'package:obtainium/components/generated_form.dart';
+import 'package:obtainium/custom_errors.dart';
+import 'package:obtainium/providers/settings_provider.dart';
 import 'package:obtainium/providers/source_provider.dart';
+import 'package:url_launcher/url_launcher_string.dart';
 
 class GitHub implements AppSource {
   @override
@@ -17,18 +21,26 @@ class GitHub implements AppSource {
     return url.substring(0, match.end);
   }
 
+  Future<String> getCredentialPrefixIfAny() async {
+    SettingsProvider settingsProvider = SettingsProvider();
+    await settingsProvider.initializeSettings();
+    String? creds =
+        settingsProvider.getSettingString(moreSourceSettingsFormItems[0].id);
+    return creds != null && creds.isNotEmpty ? '$creds@' : '';
+  }
+
   @override
   Future<APKDetails> getLatestAPKDetails(
       String standardUrl, List<String> additionalData) async {
     var includePrereleases =
-        additionalData.isNotEmpty && additionalData[0] == "true";
+        additionalData.isNotEmpty && additionalData[0] == 'true';
     var fallbackToOlderReleases =
-        additionalData.length >= 2 && additionalData[1] == "true";
+        additionalData.length >= 2 && additionalData[1] == 'true';
     var regexFilter = additionalData.length >= 3 && additionalData[2].isNotEmpty
         ? additionalData[2]
         : null;
     Response res = await get(Uri.parse(
-        'https://api.$host/repos${standardUrl.substring('https://$host'.length)}/releases'));
+        'https://${await getCredentialPrefixIfAny()}api.$host/repos${standardUrl.substring('https://$host'.length)}/releases'));
     if (res.statusCode == 200) {
       var releases = jsonDecode(res.body) as List<dynamic>;
 
@@ -76,7 +88,10 @@ class GitHub implements AppSource {
       return APKDetails(version, targetRelease['apkUrls']);
     } else {
       if (res.headers['x-ratelimit-remaining'] == '0') {
-        throw 'Rate limit reached - try again in ${(int.parse(res.headers['x-ratelimit-reset'] ?? '1800000000') / 60000000).toString()} minutes';
+        throw RateLimitError(
+            (int.parse(res.headers['x-ratelimit-reset'] ?? '1800000000') /
+                    60000000)
+                .round());
       }
 
       throw couldNotFindReleases;
@@ -92,14 +107,14 @@ class GitHub implements AppSource {
 
   @override
   List<List<GeneratedFormItem>> additionalDataFormItems = [
-    [GeneratedFormItem(label: "Include prereleases", type: FormItemType.bool)],
+    [GeneratedFormItem(label: 'Include prereleases', type: FormItemType.bool)],
     [
       GeneratedFormItem(
-          label: "Fallback to older releases", type: FormItemType.bool)
+          label: 'Fallback to older releases', type: FormItemType.bool)
     ],
     [
       GeneratedFormItem(
-          label: "Filter Release Titles by Regular Expression",
+          label: 'Filter Release Titles by Regular Expression',
           type: FormItemType.string,
           required: false,
           additionalValidators: [
@@ -110,7 +125,7 @@ class GitHub implements AppSource {
               try {
                 RegExp(value);
               } catch (e) {
-                return "Invalid regular expression";
+                return 'Invalid regular expression';
               }
               return null;
             }
@@ -119,5 +134,44 @@ class GitHub implements AppSource {
   ];
 
   @override
-  List<String> additionalDataDefaults = ["true", "true", ""];
+  List<String> additionalDataDefaults = ['true', 'true', ''];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [
+    GeneratedFormItem(
+        label: 'GitHub Personal Access Token (Increases Rate Limit)',
+        id: 'github-creds',
+        required: false,
+        additionalValidators: [
+          (value) {
+            if (value != null && value.trim().isNotEmpty) {
+              if (value
+                      .split(':')
+                      .where((element) => element.trim().isNotEmpty)
+                      .length !=
+                  2) {
+                return 'PAT must be in this format: username:token';
+              }
+            }
+            return null;
+          }
+        ],
+        hint: 'username:token',
+        belowWidgets: [
+          const SizedBox(
+            height: 8,
+          ),
+          GestureDetector(
+              onTap: () {
+                launchUrlString(
+                    'https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token',
+                    mode: LaunchMode.externalApplication);
+              },
+              child: const Text(
+                'About GitHub PATs',
+                style: TextStyle(
+                    decoration: TextDecoration.underline, fontSize: 12),
+              ))
+        ])
+  ];
 }

lib/app_sources/gitlab.dart

@@ -68,4 +68,7 @@ class GitLab implements AppSource {
 
   @override
   List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
 }

lib/app_sources/izzyondroid.dart

@@ -62,4 +62,7 @@ class IzzyOnDroid implements AppSource {
 
   @override
   List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
 }

lib/app_sources/mullvad.dart

@@ -48,4 +48,7 @@ class Mullvad implements AppSource {
 
   @override
   List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
 }

lib/app_sources/signal.dart

@@ -41,4 +41,7 @@ class Signal implements AppSource {
 
   @override
   List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
 }

lib/app_sources/sourceforge.dart

@@ -0,0 +1,71 @@
+import 'package:html/parser.dart';
+import 'package:http/http.dart';
+import 'package:obtainium/components/generated_form.dart';
+import 'package:obtainium/providers/source_provider.dart';
+
+class SourceForge implements AppSource {
+  @override
+  late String host = 'sourceforge.net';
+
+  @override
+  String standardizeURL(String url) {
+    RegExp standardUrlRegEx = RegExp('^https?://$host/projects/[^/]+');
+    RegExpMatch? match = standardUrlRegEx.firstMatch(url.toLowerCase());
+    if (match == null) {
+      throw notValidURL(runtimeType.toString());
+    }
+    return url.substring(0, match.end);
+  }
+
+  @override
+  Future<APKDetails> getLatestAPKDetails(
+      String standardUrl, List<String> additionalData) async {
+    Response res = await get(Uri.parse('$standardUrl/rss?path=/'));
+    if (res.statusCode == 200) {
+      var parsedHtml = parse(res.body);
+      var allDownloadLinks =
+          parsedHtml.querySelectorAll('guid').map((e) => e.innerHtml).toList();
+      getVersion(String url) {
+        try {
+          var tokens = url.split('/');
+          return tokens[tokens.length - 3];
+        } catch (e) {
+          return null;
+        }
+      }
+
+      String? version = getVersion(allDownloadLinks[0]);
+      if (version == null) {
+        throw couldNotFindLatestVersion;
+      }
+      var apkUrlListAllReleases = allDownloadLinks
+          .where((element) => element.toLowerCase().endsWith('.apk/download'))
+          .toList();
+      var apkUrlList =
+          apkUrlListAllReleases // This can be used skipped for fallback support later
+              .where((element) => getVersion(element) == version)
+              .toList();
+      if (apkUrlList.isEmpty) {
+        throw noAPKFound;
+      }
+      return APKDetails(version, apkUrlList);
+    } else {
+      throw couldNotFindReleases;
+    }
+  }
+
+  @override
+  AppNames getAppNames(String standardUrl) {
+    return AppNames(runtimeType.toString(),
+        standardUrl.substring(standardUrl.lastIndexOf('/') + 1));
+  }
+
+  @override
+  List<List<GeneratedFormItem>> additionalDataFormItems = [];
+
+  @override
+  List<String> additionalDataDefaults = [];
+
+  @override
+  List<GeneratedFormItem> moreSourceSettingsFormItems = [];
+}

lib/components/generated_form.dart

@@ -10,13 +10,19 @@ class GeneratedFormItem {
   late bool required;
   late int max;
   late List<String? Function(String? value)> additionalValidators;
+  late String id;
+  late List<Widget> belowWidgets;
+  late String? hint;
 
   GeneratedFormItem(
-      {this.label = "Input",
+      {this.label = 'Input',
       this.type = FormItemType.string,
       this.required = true,
       this.max = 1,
-      this.additionalValidators = const []});
+      this.additionalValidators = const [],
+      this.id = 'input',
+      this.belowWidgets = const [],
+      this.hint});
 }
 
 class GeneratedForm extends StatefulWidget {
@@ -69,7 +75,7 @@ class _GeneratedFormState extends State<GeneratedForm> {
         .map((row) => row.map((e) {
               return j < widget.defaultValues.length
                   ? widget.defaultValues[j++]
-                  : "";
+                  : '';
             }).toList())
         .toList();
 
@@ -89,7 +95,8 @@ class _GeneratedFormState extends State<GeneratedForm> {
               });
             },
             decoration: InputDecoration(
-                helperText: e.value.label + (e.value.required ? " *" : "")),
+                helperText: e.value.label + (e.value.required ? ' *' : ''),
+                hintText: e.value.hint),
             minLines: e.value.max <= 1 ? null : e.value.max,
             maxLines: e.value.max <= 1 ? 1 : e.value.max,
             validator: (value) {
@@ -122,10 +129,10 @@ class _GeneratedFormState extends State<GeneratedForm> {
             children: [
               Text(widget.items[r][e].label),
               Switch(
-                  value: values[r][e] == "true",
+                  value: values[r][e] == 'true',
                   onChanged: (value) {
                     setState(() {
-                      values[r][e] = value ? "true" : "";
+                      values[r][e] = value ? 'true' : '';
                       someValueChanged();
                     });
                   })
@@ -155,7 +162,13 @@ class _GeneratedFormState extends State<GeneratedForm> {
             width: 20,
           ));
         }
-        rowItems.add(Expanded(child: rowInput.value));
+        rowItems.add(Expanded(
+            child: Column(
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+              rowInput.value,
+              ...widget.items[rowInputs.key][rowInput.key].belowWidgets
+            ])));
       });
       rows.add(rowItems);
     });

lib/components/generated_form_modal.dart

@@ -7,11 +7,15 @@ class GeneratedFormModal extends StatefulWidget {
       {super.key,
       required this.title,
       required this.items,
-      required this.defaultValues});
+      required this.defaultValues,
+      this.initValid = false,
+      this.message = ''});
 
   final String title;
+  final String message;
   final List<List<GeneratedFormItem>> items;
   final List<String> defaultValues;
+  final bool initValid;
 
   @override
   State<GeneratedFormModal> createState() => _GeneratedFormModalState();
@@ -21,12 +25,25 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
   List<String> values = [];
   bool valid = false;
 
+  @override
+  void initState() {
+    super.initState();
+    valid = widget.initValid;
+  }
+
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
       scrollable: true,
       title: Text(widget.title),
-      content: GeneratedForm(
+      content:
+          Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
+        if (widget.message.isNotEmpty) Text(widget.message),
+        if (widget.message.isNotEmpty)
+          const SizedBox(
+            height: 16,
+          ),
+        GeneratedForm(
             items: widget.items,
             onValueChanges: (values, valid) {
               setState(() {
@@ -34,7 +51,8 @@ class _GeneratedFormModalState extends State<GeneratedFormModal> {
                 this.valid = valid;
               });
             },
-          defaultValues: widget.defaultValues),
+            defaultValues: widget.defaultValues)
+      ]),
       actions: [
         TextButton(
             onPressed: () {

lib/custom_errors.dart

@@ -0,0 +1,8 @@
+class RateLimitError {
+  late int remainingMinutes;
+  RateLimitError(this.remainingMinutes);
+
+  @override
+  String toString() =>
+      'Too many requests (rate limited) - try again in $remainingMinutes minutes';
+}

lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:obtainium/app_sources/github.dart';
+import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/pages/home.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/notifications_provider.dart';
@@ -13,33 +14,76 @@ import 'package:dynamic_color/dynamic_color.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 
 const String currentReleaseTag =
-    'v0.3.2-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
+    'v0.5.4-beta'; // KEEP THIS IN SYNC WITH GITHUB RELEASES
 
-@pragma('vm:entry-point')
+const String bgUpdateCheckTaskName = 'bg-update-check';
-void bgTaskCallback() {
+
-  // Background update checking process
+bgUpdateCheck(int? ignoreAfterMicroseconds) async {
-  Workmanager().executeTask((task, taskName) async {
+  DateTime? ignoreAfter = ignoreAfterMicroseconds != null
+      ? DateTime.fromMicrosecondsSinceEpoch(ignoreAfterMicroseconds)
+      : null;
   var notificationsProvider = NotificationsProvider();
   await notificationsProvider.notify(checkingUpdatesNotification);
   try {
     var appsProvider = AppsProvider();
-      await notificationsProvider
+    await notificationsProvider.cancel(ErrorCheckingUpdatesNotification('').id);
-          .cancel(ErrorCheckingUpdatesNotification('').id);
     await appsProvider.loadApps();
-      List<App> updates = await appsProvider.checkUpdates();
+    List<String> existingUpdateIds =
-      if (updates.isNotEmpty) {
+        appsProvider.getExistingUpdates(installedOnly: true);
-        notificationsProvider.notify(UpdateNotification(updates),
+    DateTime nextIgnoreAfter = DateTime.now();
+    try {
+      await appsProvider.checkUpdates(ignoreAfter: ignoreAfter);
+    } catch (e) {
+      if (e is RateLimitError) {
+        String nextTaskName =
+            '$bgUpdateCheckTaskName-${nextIgnoreAfter.microsecondsSinceEpoch.toString()}';
+        Workmanager().registerOneOffTask(nextTaskName, nextTaskName,
+            constraints: Constraints(networkType: NetworkType.connected),
+            initialDelay: Duration(minutes: e.remainingMinutes),
+            inputData: {'ignoreAfter': nextIgnoreAfter.microsecondsSinceEpoch});
+      } else {
+        rethrow;
+      }
+    }
+    List<App> newUpdates = appsProvider
+        .getExistingUpdates(installedOnly: true)
+        .where((id) => !existingUpdateIds.contains(id))
+        .map((e) => appsProvider.apps[e]!.app)
+        .toList();
+
+    // TODO: This silent update code doesn't work yet
+    // List<String> silentlyUpdated = await appsProvider
+    //     .downloadAndInstallLatestApp(
+    //         [...newUpdates.map((e) => e.id), ...existingUpdateIds], null);
+    // if (silentlyUpdated.isNotEmpty) {
+    //   newUpdates = newUpdates
+    //       .where((element) => !silentlyUpdated.contains(element.id))
+    //       .toList();
+    //   notificationsProvider.notify(
+    //       SilentUpdateNotification(
+    //           silentlyUpdated.map((e) => appsProvider.apps[e]!.app).toList()),
+    //       cancelExisting: true);
+    // }
+
+    if (newUpdates.isNotEmpty) {
+      notificationsProvider.notify(UpdateNotification(newUpdates),
           cancelExisting: true);
     }
     return Future.value(true);
   } catch (e) {
-      notificationsProvider.notify(
+    notificationsProvider.notify(ErrorCheckingUpdatesNotification(e.toString()),
-          ErrorCheckingUpdatesNotification(e.toString()),
         cancelExisting: true);
-      return Future.value(false);
+    return Future.error(false);
   } finally {
     await notificationsProvider.cancel(checkingUpdatesNotification.id);
   }
+}
+
+@pragma('vm:entry-point')
+void bgTaskCallback() {
+  // Background process callback
+  Workmanager().executeTask((task, inputData) async {
+    return await bgUpdateCheck(inputData?['ignoreAfter']);
   });
 }
 
@@ -64,14 +108,21 @@ void main() async {
       ChangeNotifierProvider(create: (context) => SettingsProvider()),
       Provider(create: (context) => NotificationsProvider())
     ],
-    child: const MyApp(),
+    child: const Obtainium(),
   ));
 }
 
 var defaultThemeColour = Colors.deepPurple;
 
-class MyApp extends StatelessWidget {
+class Obtainium extends StatefulWidget {
-  const MyApp({super.key});
+  const Obtainium({super.key});
+
+  @override
+  State<Obtainium> createState() => _ObtainiumState();
+}
+
+class _ObtainiumState extends State<Obtainium> {
+  var existingUpdateInterval = -1;
 
   @override
   Widget build(BuildContext context) {
@@ -81,21 +132,12 @@ class MyApp extends StatelessWidget {
     if (settingsProvider.prefs == null) {
       settingsProvider.initializeSettings();
     } else {
-      // Register the background update task according to the user's setting
-      if (settingsProvider.updateInterval > 0) {
-        Workmanager().registerPeriodicTask('bg-update-check', 'bg-update-check',
-            frequency: Duration(minutes: settingsProvider.updateInterval),
-            initialDelay: Duration(minutes: settingsProvider.updateInterval),
-            constraints: Constraints(networkType: NetworkType.connected),
-            existingWorkPolicy: ExistingWorkPolicy.replace);
-      } else {
-        Workmanager().cancelByUniqueName('bg-update-check');
-      }
       bool isFirstRun = settingsProvider.checkAndFlipFirstRun();
       if (isFirstRun) {
         // If this is the first run, ask for notification permissions and add Obtainium to the Apps list
         Permission.notification.request();
-        appsProvider.saveApp(App(
+        appsProvider.saveApps([
+          App(
               'imranr98_obtainium_${GitHub().host}',
               'https://github.com/ImranR98/Obtainium',
               'ImranR98',
@@ -104,7 +146,26 @@ class MyApp extends StatelessWidget {
               currentReleaseTag,
               [],
               0,
-            ["true"]));
+              ['true'],
+              null)
+        ]);
+      }
+      // Register the background update task according to the user's setting
+      if (existingUpdateInterval != settingsProvider.updateInterval) {
+        existingUpdateInterval = settingsProvider.updateInterval;
+        if (existingUpdateInterval == 0) {
+          Workmanager().cancelByUniqueName(bgUpdateCheckTaskName);
+        } else {
+          Workmanager().registerPeriodicTask(
+              bgUpdateCheckTaskName, bgUpdateCheckTaskName,
+              frequency: Duration(minutes: existingUpdateInterval),
+              initialDelay: Duration(minutes: existingUpdateInterval),
+              constraints: Constraints(networkType: NetworkType.connected),
+              existingWorkPolicy: ExistingWorkPolicy.replace,
+              backoffPolicy: BackoffPolicy.linear,
+              backoffPolicyDelay:
+                  const Duration(minutes: minUpdateIntervalMinutes));
+        }
       }
     }
 

lib/mass_app_sources/githubstars.dart

@@ -1,6 +1,8 @@
 import 'dart:convert';
 
 import 'package:http/http.dart';
+import 'package:obtainium/app_sources/github.dart';
+import 'package:obtainium/custom_errors.dart';
 import 'package:obtainium/providers/source_provider.dart';
 
 class GitHubStars implements MassAppSource {
@@ -10,23 +12,40 @@ class GitHubStars implements MassAppSource {
   @override
   late List<String> requiredArgs = ['Username'];
 
-  @override
+  Future<List<String>> getOnePageOfUserStarredUrls(
-  Future<List<String>> getUrls(List<String> args) async {
+      String username, int page) async {
-    if (args.length != requiredArgs.length) {
+    Response res = await get(Uri.parse(
-      throw 'Wrong number of arguments provided';
+        'https://${await GitHub().getCredentialPrefixIfAny()}api.github.com/users/$username/starred?per_page=100&page=$page'));
-    }
-    Response res =
-        await get(Uri.parse('https://api.github.com/users/${args[0]}/starred'));
     if (res.statusCode == 200) {
       return (jsonDecode(res.body) as List<dynamic>)
           .map((e) => e['html_url'] as String)
           .toList();
     } else {
       if (res.headers['x-ratelimit-remaining'] == '0') {
-        throw 'Rate limit reached - try again in ${(int.parse(res.headers['x-ratelimit-reset'] ?? '1800000000') / 60000000).toString()} minutes';
+        throw RateLimitError(
+            (int.parse(res.headers['x-ratelimit-reset'] ?? '1800000000') /
+                    60000000)
+                .round());
       }
 
       throw 'Unable to find user\'s starred repos';
     }
   }
+
+  @override
+  Future<List<String>> getUrls(List<String> args) async {
+    if (args.length != requiredArgs.length) {
+      throw 'Wrong number of arguments provided';
+    }
+    List<String> urls = [];
+    var page = 1;
+    while (true) {
+      var pageUrls = await getOnePageOfUserStarredUrls(args[0], page++);
+      urls.addAll(pageUrls);
+      if (pageUrls.length < 100) {
+        break;
+      }
+    }
+    return urls;
+  }
 }

lib/pages/add_app.dart

@@ -19,9 +19,10 @@ class AddAppPage extends StatefulWidget {
 class _AddAppPageState extends State<AddAppPage> {
   bool gettingAppInfo = false;
 
-  String userInput = "";
+  String userInput = '';
   AppSource? pickedSource;
   List<String> additionalData = [];
+  String customName = '';
   bool validAdditionalData = true;
 
   @override
@@ -44,19 +45,19 @@ class _AddAppPageState extends State<AddAppPage> {
                                   items: [
                                     [
                                       GeneratedFormItem(
-                                          label: "App Source Url",
+                                          label: 'App Source Url',
                                           additionalValidators: [
                                             (value) {
                                               try {
                                                 sourceProvider
-                                                    .getSource(value ?? "")
+                                                    .getSource(value ?? '')
                                                     .standardizeURL(
-                                                        makeUrlHttps(
+                                                        preStandardizeUrl(
-                                                            value ?? ""));
+                                                            value ?? ''));
                                               } catch (e) {
                                                 return e is String
                                                     ? e
-                                                    : "Error";
+                                                    : 'Error';
                                               }
                                               return null;
                                             }
@@ -79,6 +80,9 @@ class _AddAppPageState extends State<AddAppPage> {
                                                 .doesSourceHaveRequiredAdditionalData(
                                                     source)
                                             : true;
+                                        if (source == null) {
+                                          customName = '';
+                                        }
                                       }
                                     });
                                   },
@@ -100,7 +104,8 @@ class _AddAppPageState extends State<AddAppPage> {
                                       });
                                       sourceProvider
                                           .getApp(pickedSource!, userInput,
-                                              additionalData)
+                                              additionalData,
+                                              customName: customName)
                                           .then((app) {
                                         var appsProvider =
                                             context.read<AppsProvider>();
@@ -113,7 +118,8 @@ class _AddAppPageState extends State<AddAppPage> {
                                         settingsProvider
                                             .getInstallPermission()
                                             .then((_) {
-                                          appsProvider.saveApp(app).then((_) {
+                                          appsProvider
+                                              .saveApps([app]).then((_) {
                                             Navigator.push(
                                                 context,
                                                 MaterialPageRoute(
@@ -136,8 +142,7 @@ class _AddAppPageState extends State<AddAppPage> {
                               child: const Text('Add'))
                         ],
                       ),
-                      if (pickedSource != null &&
+                      if (pickedSource != null)
-                          (pickedSource!.additionalDataFormItems.isNotEmpty))
                         Column(
                           crossAxisAlignment: CrossAxisAlignment.stretch,
                           children: [
@@ -152,6 +157,8 @@ class _AddAppPageState extends State<AddAppPage> {
                             const SizedBox(
                               height: 16,
                             ),
+                            if (pickedSource!
+                                .additionalDataFormItems.isNotEmpty)
                               GeneratedForm(
                                   items: pickedSource!.additionalDataFormItems,
                                   onValueChanges: (values, valid) {
@@ -161,7 +168,27 @@ class _AddAppPageState extends State<AddAppPage> {
                                     });
                                   },
                                   defaultValues:
-                                    pickedSource!.additionalDataDefaults)
+                                      pickedSource!.additionalDataDefaults),
+                            if (pickedSource!
+                                .additionalDataFormItems.isNotEmpty)
+                              const SizedBox(
+                                height: 8,
+                              ),
+                            if (pickedSource != null)
+                              GeneratedForm(
+                                  items: [
+                                    [
+                                      GeneratedFormItem(
+                                          label: 'Custom App Name',
+                                          required: false)
+                                    ]
+                                  ],
+                                  onValueChanges: (values, valid) {
+                                    setState(() {
+                                      customName = values[0];
+                                    });
+                                  },
+                                  defaultValues: [customName])
                           ],
                         )
                       else

lib/pages/app.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/components/generated_form_modal.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
@@ -25,18 +26,26 @@ class _AppPageState extends State<AppPage> {
     var sourceProvider = SourceProvider();
     AppInMemory? app = appsProvider.apps[widget.appId];
     var source = app != null ? sourceProvider.getSource(app.app.url) : null;
-    if (app?.app.installedVersion != null) {
+    if (!appsProvider.areDownloadsRunning() && app != null) {
-      appsProvider.getUpdate(app!.app.id);
+      appsProvider.getUpdate(app.app.id).catchError((e) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(e.toString())),
+        );
+      });
     }
     return Scaffold(
       appBar: settingsProvider.showAppWebpage ? AppBar() : null,
       backgroundColor: Theme.of(context).colorScheme.surface,
-      body: settingsProvider.showAppWebpage
+      body: RefreshIndicator(
+          child: settingsProvider.showAppWebpage
               ? WebView(
                   initialUrl: app?.app.url,
                   javascriptMode: JavascriptMode.unrestricted,
                 )
-          : Column(
+              : CustomScrollView(
+                  slivers: [
+                    SliverFillRemaining(
+                        child: Column(
                       mainAxisAlignment: MainAxisAlignment.center,
                       crossAxisAlignment: CrossAxisAlignment.stretch,
                       children: [
@@ -81,8 +90,30 @@ class _AppPageState extends State<AppPage> {
                           textAlign: TextAlign.center,
                           style: Theme.of(context).textTheme.bodyLarge,
                         ),
+                        const SizedBox(
+                          height: 32,
+                        ),
+                        Text(
+                          'Last Update Check: ${app?.app.lastUpdateCheck == null ? 'Never' : '\n${app?.app.lastUpdateCheck?.toLocal()}'}',
+                          textAlign: TextAlign.center,
+                          style: const TextStyle(
+                              fontStyle: FontStyle.italic, fontSize: 12),
+                        )
+                      ],
+                    )),
                   ],
                 ),
+          onRefresh: () async {
+            if (app != null) {
+              try {
+                await appsProvider.getUpdate(app.app.id);
+              } catch (e) {
+                ScaffoldMessenger.of(context).showSnackBar(
+                  SnackBar(content: Text(e.toString())),
+                );
+              }
+            }
+          }),
       bottomSheet: Padding(
           padding: EdgeInsets.fromLTRB(
               0, 0, 0, MediaQuery.of(context).padding.bottom),
@@ -96,7 +127,9 @@ class _AppPageState extends State<AppPage> {
                       children: [
                         if (app?.app.installedVersion != app?.app.latestVersion)
                           IconButton(
-                              onPressed: () {
+                              onPressed: app?.downloadProgress != null
+                                  ? null
+                                  : () {
                                       showDialog(
                                           context: context,
                                           builder: (BuildContext ctx) {
@@ -106,20 +139,25 @@ class _AppPageState extends State<AppPage> {
                                               actions: [
                                                 TextButton(
                                                     onPressed: () {
-                                                Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
                                                     child: const Text('No')),
                                                 TextButton(
                                                     onPressed: () {
-                                                HapticFeedback.selectionClick();
+                                                      HapticFeedback
+                                                          .selectionClick();
                                                       var updatedApp = app?.app;
                                                       if (updatedApp != null) {
-                                                  updatedApp.installedVersion =
+                                                        updatedApp
-                                                      updatedApp.latestVersion;
+                                                                .installedVersion =
-                                                  appsProvider
+                                                            updatedApp
-                                                      .saveApp(updatedApp);
+                                                                .latestVersion;
+                                                        appsProvider.saveApps(
+                                                            [updatedApp]);
                                                       }
-                                                Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
                                                     child: const Text(
                                                         'Yes, Mark as Installed'))
@@ -131,29 +169,36 @@ class _AppPageState extends State<AppPage> {
                               icon: const Icon(Icons.done))
                         else
                           IconButton(
-                              onPressed: () {
+                              onPressed: app?.downloadProgress != null
+                                  ? null
+                                  : () {
                                       showDialog(
                                           context: context,
                                           builder: (BuildContext ctx) {
                                             return AlertDialog(
-                                        title: const Text('App Not Installed?'),
+                                              title: const Text(
+                                                  'App Not Installed?'),
                                               actions: [
                                                 TextButton(
                                                     onPressed: () {
-                                                Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
                                                     child: const Text('No')),
                                                 TextButton(
                                                     onPressed: () {
-                                                HapticFeedback.selectionClick();
+                                                      HapticFeedback
+                                                          .selectionClick();
                                                       var updatedApp = app?.app;
                                                       if (updatedApp != null) {
-                                                  updatedApp.installedVersion =
+                                                        updatedApp
+                                                                .installedVersion =
                                                             null;
-                                                  appsProvider
+                                                        appsProvider.saveApps(
-                                                      .saveApp(updatedApp);
+                                                            [updatedApp]);
                                                       }
-                                                Navigator.of(context).pop();
+                                                      Navigator.of(context)
+                                                          .pop();
                                                     },
                                                     child: const Text(
                                                         'Yes, Mark as Not Installed'))
@@ -166,34 +211,44 @@ class _AppPageState extends State<AppPage> {
                         if (source != null &&
                             source.additionalDataFormItems.isNotEmpty)
                           IconButton(
-                              onPressed: () {
+                              onPressed: app?.downloadProgress != null
-                                showDialog(
+                                  ? null
+                                  : () {
+                                      showDialog<List<String>>(
                                           context: context,
                                           builder: (BuildContext ctx) {
                                             return GeneratedFormModal(
                                                 title: 'Additional Options',
-                                          items: source.additionalDataFormItems,
+                                                items: [
+                                                  ...source
+                                                      .additionalDataFormItems,
+                                                  [
+                                                    GeneratedFormItem(
+                                                        label: 'App Name',
+                                                        required: true)
+                                                  ]
+                                                ],
                                                 defaultValues: app != null
-                                              ? app.app.additionalData
+                                                    ? [
-                                              : source.additionalDataDefaults);
+                                                        ...app
+                                                            .app.additionalData,
+                                                        app.app.name
+                                                      ]
+                                                    : [
+                                                        ...source
+                                                            .additionalDataDefaults
+                                                      ]);
                                           }).then((values) {
                                         if (app != null && values != null) {
                                           var changedApp = app.app;
+                                          var name = values.removeLast();
+                                          changedApp.name = name;
                                           changedApp.additionalData = values;
-                                    sourceProvider
+                                          appsProvider.saveApps([changedApp]);
-                                        .getApp(source, changedApp.url,
-                                            changedApp.additionalData)
-                                        .then((finalChangedApp) {
-                                      appsProvider.saveApp(finalChangedApp);
-                                    }).catchError((e) {
-                                      ScaffoldMessenger.of(context)
-                                          .showSnackBar(
-                                        SnackBar(content: Text(e.toString())),
-                                      );
-                                    });
                                         }
                                       });
                                     },
+                              tooltip: 'Additional Options',
                               icon: const Icon(Icons.settings)),
                         const SizedBox(width: 16.0),
                         Expanded(
@@ -209,7 +264,7 @@ class _AppPageState extends State<AppPage> {
                                             .downloadAndInstallLatestApp(
                                                 [app!.app.id],
                                                 context).then((res) {
-                                          if (res && mounted) {
+                                          if (res.isNotEmpty && mounted) {
                                             Navigator.of(context).pop();
                                           }
                                         });
@@ -235,9 +290,8 @@ class _AppPageState extends State<AppPage> {
                                                 onPressed: () {
                                                   HapticFeedback
                                                       .selectionClick();
-                                                  appsProvider
+                                                  appsProvider.removeApps(
-                                                      .removeApp(app!.app.id)
+                                                      [app!.app.id]).then((_) {
-                                                      .then((_) {
                                                     int count = 0;
                                                     Navigator.of(context)
                                                         .popUntil((_) =>

lib/pages/apps.dart

@@ -7,28 +7,71 @@ import 'package:obtainium/pages/app.dart';
 import 'package:obtainium/providers/apps_provider.dart';
 import 'package:obtainium/providers/settings_provider.dart';
 import 'package:provider/provider.dart';
+import 'package:share_plus/share_plus.dart';
 
 class AppsPage extends StatefulWidget {
   const AppsPage({super.key});
 
   @override
-  State<AppsPage> createState() => _AppsPageState();
+  State<AppsPage> createState() => AppsPageState();
 }
 
-class _AppsPageState extends State<AppsPage> {
+class AppsPageState extends State<AppsPage> {
   AppsFilter? filter;
+  var updatesOnlyFilter =
+      AppsFilter(includeUptodate: false, includeNonInstalled: false);
+  Set<String> selectedIds = {};
+
+  clearSelected() {
+    if (selectedIds.isNotEmpty) {
+      setState(() {
+        selectedIds.clear();
+      });
+      return true;
+    }
+    return false;
+  }
+
+  selectThese(List<String> appIds) {
+    if (selectedIds.isEmpty) {
+      setState(() {
+        for (var a in appIds) {
+          selectedIds.add(a);
+        }
+      });
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
     var appsProvider = context.watch<AppsProvider>();
     var settingsProvider = context.watch<SettingsProvider>();
-    var existingUpdateAppIds = appsProvider.getExistingUpdates();
     var sortedApps = appsProvider.apps.values.toList();
+    var currentFilterIsUpdatesOnly =
+        filter?.isIdenticalTo(updatesOnlyFilter) ?? false;
+
+    selectedIds = selectedIds
+        .where((element) => sortedApps.map((e) => e.app.id).contains(element))
+        .toSet();
+
+    toggleAppSelected(String appId) {
+      setState(() {
+        if (selectedIds.contains(appId)) {
+          selectedIds.remove(appId);
+        } else {
+          selectedIds.add(appId);
+        }
+      });
+    }
 
     if (filter != null) {
       sortedApps = sortedApps.where((app) {
         if (app.app.installedVersion == app.app.latestVersion &&
-            filter!.onlyNonLatest) {
+            !(filter!.includeUptodate)) {
+          return false;
+        }
+        if (app.app.installedVersion == null &&
+            !(filter!.includeNonInstalled)) {
           return false;
         }
         if (filter!.nameFilter.isEmpty && filter!.authorFilter.isEmpty) {
@@ -73,78 +116,21 @@ class _AppsPageState extends State<AppsPage> {
       sortedApps = sortedApps.reversed.toList();
     }
 
+    var existingUpdateIdsAllOrSelected = appsProvider
+        .getExistingUpdates(installedOnly: true)
+        .where((element) => selectedIds.isEmpty
+            ? sortedApps.where((a) => a.app.id == element).isNotEmpty
+            : selectedIds.contains(element))
+        .toList();
+    var newInstallIdsAllOrSelected = appsProvider
+        .getExistingUpdates(nonInstalledOnly: true)
+        .where((element) => selectedIds.isEmpty
+            ? sortedApps.where((a) => a.app.id == element).isNotEmpty
+            : selectedIds.contains(element))
+        .toList();
+
     return Scaffold(
       backgroundColor: Theme.of(context).colorScheme.surface,
-        floatingActionButton:
-            Row(mainAxisAlignment: MainAxisAlignment.end, children: [
-          existingUpdateAppIds.isEmpty || filter != null
-              ? const SizedBox()
-              : ElevatedButton.icon(
-                  onPressed: appsProvider.areDownloadsRunning()
-                      ? null
-                      : () {
-                          HapticFeedback.heavyImpact();
-                          settingsProvider.getInstallPermission().then((_) {
-                            appsProvider.downloadAndInstallLatestApp(
-                                existingUpdateAppIds, context);
-                          });
-                        },
-                  icon: const Icon(Icons.install_mobile_outlined),
-                  label: const Text('Install All')),
-          const SizedBox(
-            width: 16,
-          ),
-          appsProvider.apps.isEmpty
-              ? const SizedBox()
-              : ElevatedButton.icon(
-                  onPressed: () {
-                    showDialog<List<String>?>(
-                        context: context,
-                        builder: (BuildContext ctx) {
-                          return GeneratedFormModal(
-                              title: 'Filter Apps',
-                              items: [
-                                [
-                                  GeneratedFormItem(
-                                      label: "App Name", required: false),
-                                  GeneratedFormItem(
-                                      label: "Author", required: false)
-                                ],
-                                [
-                                  GeneratedFormItem(
-                                      label: "Ignore Up-to-Date Apps",
-                                      type: FormItemType.bool)
-                                ]
-                              ],
-                              defaultValues: filter == null
-                                  ? []
-                                  : [
-                                      filter!.nameFilter,
-                                      filter!.authorFilter,
-                                      filter!.onlyNonLatest ? 'true' : ''
-                                    ]);
-                        }).then((values) {
-                      if (values != null &&
-                          values
-                              .where((element) => element.isNotEmpty)
-                              .isNotEmpty) {
-                        setState(() {
-                          filter = AppsFilter(
-                              nameFilter: values[0],
-                              authorFilter: values[1],
-                              onlyNonLatest: values[2] == "true");
-                        });
-                      } else {
-                        setState(() {
-                          filter = null;
-                        });
-                      }
-                    });
-                  },
-                  label: Text(filter == null ? 'Search' : 'Modify Search'),
-                  icon: Icon(
-                      filter == null ? Icons.search : Icons.manage_search)),
-        ]),
       body: RefreshIndicator(
           onRefresh: () {
             HapticFeedback.lightImpact();
@@ -164,14 +150,20 @@ class _AppsPageState extends State<AppsPage> {
                           : Text(
                               appsProvider.apps.isEmpty
                                   ? 'No Apps'
-                                    : 'No Search Results',
+                                  : 'No Apps for Filter',
-                                style:
+                              style: Theme.of(context).textTheme.headlineMedium,
-                                    Theme.of(context).textTheme.headlineMedium,
+                              textAlign: TextAlign.center,
                             ))),
             SliverList(
                 delegate: SliverChildBuilderDelegate(
                     (BuildContext context, int index) {
               return ListTile(
+                selectedTileColor:
+                    Theme.of(context).colorScheme.primary.withOpacity(0.1),
+                selected: selectedIds.contains(sortedApps[index].app.id),
+                onLongPress: () {
+                  toggleAppSelected(sortedApps[index].app.id);
+                },
                 title: Text(sortedApps[index].app.name),
                 subtitle: Text('By ${sortedApps[index].app.author}'),
                 trailing: sortedApps[index].downloadProgress != null
@@ -184,26 +176,260 @@ class _AppsPageState extends State<AppsPage> {
                         : Text(sortedApps[index].app.installedVersion ??
                             'Not Installed')),
                 onTap: () {
+                  if (selectedIds.isNotEmpty) {
+                    toggleAppSelected(sortedApps[index].app.id);
+                  } else {
                     Navigator.push(
                       context,
                       MaterialPageRoute(
                           builder: (context) =>
                               AppPage(appId: sortedApps[index].app.id)),
                     );
+                  }
                 },
               );
             }, childCount: sortedApps.length))
-            ])));
+          ])),
+      persistentFooterButtons: [
+        Row(
+          children: [
+            IconButton(
+                onPressed: () {
+                  selectedIds.isEmpty
+                      ? selectThese(sortedApps.map((e) => e.app.id).toList())
+                      : clearSelected();
+                },
+                icon: Icon(
+                  selectedIds.isEmpty
+                      ? Icons.select_all_outlined
+                      : Icons.deselect_outlined,
+                  color: Theme.of(context).colorScheme.primary,
+                ),
+                tooltip: selectedIds.isEmpty
+                    ? 'Select All'
+                    : 'Deselect ${selectedIds.length.toString()}'),
+            const VerticalDivider(),
+            Expanded(
+                child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+              children: [
+                selectedIds.isEmpty
+                    ? const SizedBox()
+                    : IconButton(
+                        visualDensity: VisualDensity.compact,
+                        onPressed: () {
+                          showDialog<List<String>?>(
+                              context: context,
+                              builder: (BuildContext ctx) {
+                                return GeneratedFormModal(
+                                  title: 'Remove Selected Apps?',
+                                  items: const [],
+                                  defaultValues: const [],
+                                  initValid: true,
+                                  message:
+                                      '${selectedIds.length} App${selectedIds.length == 1 ? '' : 's'} will be removed from Obtainium but remain installed. You still need to uninstall ${selectedIds.length == 1 ? 'it' : 'them'} manually.',
+                                );
+                              }).then((values) {
+                            if (values != null) {
+                              appsProvider.removeApps(selectedIds.toList());
+                            }
+                          });
+                        },
+                        tooltip: 'Remove Selected Apps',
+                        icon: const Icon(Icons.delete_outline_outlined),
+                      ),
+                IconButton(
+                    visualDensity: VisualDensity.compact,
+                    onPressed: appsProvider.areDownloadsRunning() ||
+                            (existingUpdateIdsAllOrSelected.isEmpty &&
+                                newInstallIdsAllOrSelected.isEmpty)
+                        ? null
+                        : () {
+                            HapticFeedback.heavyImpact();
+                            List<List<GeneratedFormItem>> formInputs = [];
+                            if (existingUpdateIdsAllOrSelected.isNotEmpty &&
+                                newInstallIdsAllOrSelected.isNotEmpty) {
+                              formInputs.add([
+                                GeneratedFormItem(
+                                    label:
+                                        'Update ${existingUpdateIdsAllOrSelected.length} App${existingUpdateIdsAllOrSelected.length == 1 ? '' : 's'}',
+                                    type: FormItemType.bool)
+                              ]);
+                              formInputs.add([
+                                GeneratedFormItem(
+                                    label:
+                                        'Install ${newInstallIdsAllOrSelected.length} new App${newInstallIdsAllOrSelected.length == 1 ? '' : 's'}',
+                                    type: FormItemType.bool)
+                              ]);
+                            }
+                            showDialog<List<String>?>(
+                                context: context,
+                                builder: (BuildContext ctx) {
+                                  return GeneratedFormModal(
+                                    title:
+                                        'Install${selectedIds.isEmpty ? ' ' : ' Selected '}Apps?',
+                                    message:
+                                        '${existingUpdateIdsAllOrSelected.length} update${existingUpdateIdsAllOrSelected.length == 1 ? '' : 's'} and ${newInstallIdsAllOrSelected.length} new install${newInstallIdsAllOrSelected.length == 1 ? '' : 's'}.',
+                                    items: formInputs,
+                                    defaultValues: const ['true', 'true'],
+                                    initValid: true,
+                                  );
+                                }).then((values) {
+                              if (values != null) {
+                                bool shouldInstallUpdates =
+                                    values.length < 2 || values[0] == 'true';
+                                bool shouldInstallNew =
+                                    values.length < 2 || values[1] == 'true';
+                                settingsProvider
+                                    .getInstallPermission()
+                                    .then((_) {
+                                  List<String> toInstall = [];
+                                  if (shouldInstallUpdates) {
+                                    toInstall
+                                        .addAll(existingUpdateIdsAllOrSelected);
+                                  }
+                                  if (shouldInstallNew) {
+                                    toInstall
+                                        .addAll(newInstallIdsAllOrSelected);
+                                  }
+                                  appsProvider.downloadAndInstallLatestApp(
+                                      toInstall, context);
+                                });
+                              }
+                            });
+                          },
+                    tooltip:
+                        'Install/Update${selectedIds.isEmpty ? ' ' : ' Selected '}Apps',
+                    icon: const Icon(
+                      Icons.file_download_outlined,
+                    )),
+                selectedIds.isEmpty
+                    ? const SizedBox()
+                    : IconButton(
+                        visualDensity: VisualDensity.compact,
+                        onPressed: () {
+                          String urls = '';
+                          for (var id in selectedIds) {
+                            urls += '${appsProvider.apps[id]!.app.url}\n';
+                          }
+                          urls = urls.substring(0, urls.length - 1);
+                          Share.share(urls,
+                              subject: 'Selected App URLs from Obtainium');
+                        },
+                        tooltip: 'Share Selected App URLs',
+                        icon: const Icon(Icons.share),
+                      ),
+              ],
+            )),
+            const VerticalDivider(),
+            IconButton(
+              visualDensity: VisualDensity.compact,
+              onPressed: () {
+                setState(() {
+                  if (currentFilterIsUpdatesOnly) {
+                    filter = null;
+                  } else {
+                    filter = updatesOnlyFilter;
+                  }
+                });
+              },
+              tooltip: currentFilterIsUpdatesOnly
+                  ? 'Remove Out-of-Date App Filter'
+                  : 'Show Out-of-Date Apps Only',
+              icon: Icon(
+                currentFilterIsUpdatesOnly
+                    ? Icons.update_disabled_rounded
+                    : Icons.update_rounded,
+                color: Theme.of(context).colorScheme.primary,
+              ),
+            ),
+            appsProvider.apps.isEmpty
+                ? const SizedBox()
+                : TextButton.icon(
+                    label: Text(
+                      filter == null ? 'Filter' : 'Filter *',
+                      style: TextStyle(
+                          fontWeight: filter == null
+                              ? FontWeight.normal
+                              : FontWeight.bold),
+                    ),
+                    onPressed: () {
+                      showDialog<List<String>?>(
+                          context: context,
+                          builder: (BuildContext ctx) {
+                            return GeneratedFormModal(
+                                title: 'Filter Apps',
+                                items: [
+                                  [
+                                    GeneratedFormItem(
+                                        label: 'App Name', required: false),
+                                    GeneratedFormItem(
+                                        label: 'Author', required: false)
+                                  ],
+                                  [
+                                    GeneratedFormItem(
+                                        label: 'Up to Date Apps',
+                                        type: FormItemType.bool)
+                                  ],
+                                  [
+                                    GeneratedFormItem(
+                                        label: 'Non-Installed Apps',
+                                        type: FormItemType.bool)
+                                  ]
+                                ],
+                                defaultValues: filter == null
+                                    ? AppsFilter().toValuesArray()
+                                    : filter!.toValuesArray());
+                          }).then((values) {
+                        if (values != null) {
+                          setState(() {
+                            filter = AppsFilter.fromValuesArray(values);
+                            if (AppsFilter().isIdenticalTo(filter!)) {
+                              filter = null;
+                            }
+                          });
+                        }
+                      });
+                    },
+                    icon: const Icon(Icons.filter_list_rounded))
+          ],
+        ),
+      ],
+    );
   }
 }
 
 class AppsFilter {
   late String nameFilter;
   late String authorFilter;
-  late bool onlyNonLatest;
+  late bool includeUptodate;
+  late bool includeNonInstalled;
 
   AppsFilter(
-      {this.nameFilter = "",
+      {this.nameFilter = '',
-      this.authorFilter = "",
+      this.authorFilter = '',
-      this.onlyNonLatest = false});
+      this.includeUptodate = true,
+      this.includeNonInstalled = true});
+
+  List<String> toValuesArray() {
+    return [
+      nameFilter,
+      authorFilter,
+      includeUptodate ? 'true' : '',
+      includeNonInstalled ? 'true' : ''
+    ];
+  }
+
+  AppsFilter.fromValuesArray(List<String> values) {
+    nameFilter = values[0];
+    authorFilter = values[1];
+    includeUptodate = values[2] == 'true';
+    includeNonInstalled = values[3] == 'true';
+  }
+
+  bool isIdenticalTo(AppsFilter other) =>
+      authorFilter.trim() == other.authorFilter.trim() &&
+      nameFilter.trim() == other.nameFilter.trim() &&
+      includeUptodate == other.includeUptodate &&
+      includeNonInstalled == other.includeNonInstalled;
 }

lib/pages/home.dart

@@ -25,7 +25,8 @@ class _HomePageState extends State<HomePage> {
   List<int> selectedIndexHistory = [];
 
   List<NavigationPageItem> pages = [
-    NavigationPageItem('Apps', Icons.apps, const AppsPage()),
+    NavigationPageItem(
+        'Apps', Icons.apps, AppsPage(key: GlobalKey<AppsPageState>())),
     NavigationPageItem('Add App', Icons.add, const AddAppPage()),
     NavigationPageItem(
         'Import/Export', Icons.import_export, const ImportExportPage()),
@@ -88,7 +89,10 @@ class _HomePageState extends State<HomePage> {
             });
             return false;
           }
-          return true;
+          return !(pages[0].widget.key as GlobalKey<AppsPageState>)
+              .currentState
+              ?.clearSelected();
+          // return !appsPageKey.currentState?.clearSelected();
         });
   }
 }

lib/pages/import_export.dart

@@ -40,14 +40,15 @@ class _ImportExportPageState extends State<ImportExportPage> {
 
     Future<List<List<String>>> addApps(List<String> urls) async {
       await settingsProvider.getInstallPermission();
-      List<dynamic> results = await sourceProvider.getApps(urls);
+      List<dynamic> results = await sourceProvider.getApps(urls,
+          ignoreUrls: appsProvider.apps.values.map((e) => e.app.url).toList());
       List<App> apps = results[0];
       Map<String, dynamic> errorsMap = results[1];
       for (var app in apps) {
         if (appsProvider.apps.containsKey(app.id)) {
           errorsMap.addAll({app.id: 'App already added'});
         } else {
-          await appsProvider.saveApp(app);
+          await appsProvider.saveApps([app]);
         }
       }
       List<List<String>> errors =
@@ -266,30 +267,44 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                       );
                                                     }).then((values) {
                                                   if (values != null) {
-                                                    source
-                                                        .getUrls(values)
-                                                        .then((urls) {
                                                     setState(() {
                                                       importInProgress = true;
                                                     });
-                                                      addApps(urls)
+                                                    source
-                                                          .then((errors) {
+                                                        .getUrls(values)
-                                                        if (errors.isEmpty) {
+                                                        .then((urls) {
-                                                          ScaffoldMessenger.of(
+                                                      showDialog<List<String>?>(
-                                                                  context)
-                                                              .showSnackBar(
-                                                            SnackBar(
-                                                                content: Text(
-                                                                    'Imported ${urls.length} Apps')),
-                                                          );
-                                                        } else {
-                                                          showDialog(
                                                               context: context,
+                                                              builder:
+                                                                  (BuildContext
+                                                                      ctx) {
+                                                                return UrlSelectionModal(
+                                                                    urls: urls);
+                                                              })
+                                                          .then((selectedUrls) {
+                                                        if (selectedUrls !=
+                                                            null) {
+                                                          addApps(selectedUrls)
+                                                              .then((errors) {
+                                                            if (errors
+                                                                .isEmpty) {
+                                                              ScaffoldMessenger
+                                                                      .of(context)
+                                                                  .showSnackBar(
+                                                                SnackBar(
+                                                                    content: Text(
+                                                                        'Imported ${selectedUrls.length} Apps')),
+                                                              );
+                                                            } else {
+                                                              showDialog(
+                                                                  context:
+                                                                      context,
                                                                   builder:
                                                                       (BuildContext
                                                                           ctx) {
                                                                     return ImportErrorDialog(
-                                                                    urlsLength: urls
+                                                                        urlsLength:
+                                                                            selectedUrls
                                                                                 .length,
                                                                         errors:
                                                                             errors);
@@ -301,7 +316,18 @@ class _ImportExportPageState extends State<ImportExportPage> {
                                                                   false;
                                                             });
                                                           });
+                                                        } else {
+                                                          setState(() {
+                                                            importInProgress =
+                                                                false;
+                                                          });
+                                                        }
+                                                      });
                                                     }).catchError((e) {
+                                                      setState(() {
+                                                        importInProgress =
+                                                            false;
+                                                      });
                                                       ScaffoldMessenger.of(
                                                               context)
                                                           .showSnackBar(
@@ -375,3 +401,67 @@ class _ImportErrorDialogState extends State<ImportErrorDialog> {
     );
   }
 }
+
+// ignore: must_be_immutable
+class UrlSelectionModal extends StatefulWidget {
+  UrlSelectionModal({super.key, required this.urls});
+
+  List<String> urls;
+
+  @override
+  State<UrlSelectionModal> createState() => _UrlSelectionModalState();
+}
+
+class _UrlSelectionModalState extends State<UrlSelectionModal> {
+  Map<String, bool> urlSelections = {};
+  @override
+  void initState() {
+    super.initState();
+    for (var url in widget.urls) {
+      urlSelections.putIfAbsent(url, () => true);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      scrollable: true,
+      title: const Text('Select URLs to Import'),
+      content: Column(children: [
+        ...urlSelections.keys.map((url) {
+          return Row(children: [
+            Checkbox(
+                value: urlSelections[url],
+                onChanged: (value) {
+                  setState(() {
+                    urlSelections[url] = value ?? false;
+                  });
+                }),
+            const SizedBox(
+              width: 8,
+            ),
+            Expanded(
+                child: Text(
+              Uri.parse(url).path.substring(1),
+            ))
+          ]);
+        })
+      ]),
+      actions: [
+        TextButton(
+            onPressed: () {
+              Navigator.of(context).pop();
+            },
+            child: const Text('Cancel')),
+        TextButton(
+            onPressed: () {
+              Navigator.of(context).pop(urlSelections.keys
+                  .where((url) => urlSelections[url] ?? false)
+                  .toList());
+            },
+            child: Text(
+                'Import ${urlSelections.values.where((b) => b).length} URLs'))
+      ],
+    );
+  }
+}

lib/pages/settings.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:obtainium/components/custom_app_bar.dart';
+import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/providers/settings_provider.dart';
+import 'package:obtainium/providers/source_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
@@ -15,6 +17,7 @@ class _SettingsPageState extends State<SettingsPage> {
   @override
   Widget build(BuildContext context) {
     SettingsProvider settingsProvider = context.watch<SettingsProvider>();
+    SourceProvider sourceProvider = SourceProvider();
     if (settingsProvider.prefs == null) {
       settingsProvider.initializeSettings();
     }
@@ -22,8 +25,7 @@ class _SettingsPageState extends State<SettingsPage> {
         backgroundColor: Theme.of(context).colorScheme.surface,
         body: CustomScrollView(slivers: <Widget>[
           const CustomAppBar(title: 'Settings'),
-          SliverFillRemaining(
+          SliverToBoxAdapter(
-              hasScrollBody: true,
               child: Padding(
                   padding: const EdgeInsets.all(16),
                   child: settingsProvider.prefs == null
@@ -160,7 +162,7 @@ class _SettingsPageState extends State<SettingsPage> {
                               height: 16,
                             ),
                             Text(
-                              'More',
+                              'Updates',
                               style: TextStyle(
                                   color: Theme.of(context).colorScheme.primary),
                             ),
@@ -169,50 +171,89 @@ class _SettingsPageState extends State<SettingsPage> {
                                     labelText:
                                         'Background Update Checking Interval'),
                                 value: settingsProvider.updateInterval,
-                                items: const [
+                                items: updateIntervals.map((e) {
-                                  DropdownMenuItem(
+                                  int displayNum = (e < 60
-                                    value: 15,
+                                          ? e
-                                    child: Text('15 Minutes'),
+                                          : e < 1440
-                                  ),
+                                              ? e / 60
-                                  DropdownMenuItem(
+                                              : e / 1440)
-                                    value: 30,
+                                      .round();
-                                    child: Text('30 Minutes'),
+                                  var displayUnit = (e < 60
-                                  ),
+                                      ? 'Minute'
-                                  DropdownMenuItem(
+                                      : e < 1440
-                                    value: 60,
+                                          ? 'Hour'
-                                    child: Text('1 Hour'),
+                                          : 'Day');
-                                  ),
+
-                                  DropdownMenuItem(
+                                  String display = e == 0
-                                    value: 360,
+                                      ? 'Never - Manual Only'
-                                    child: Text('6 Hours'),
+                                      : '$displayNum $displayUnit${displayNum == 1 ? '' : 's'}';
-                                  ),
+                                  return DropdownMenuItem(
-                                  DropdownMenuItem(
+                                      value: e, child: Text(display));
-                                    value: 720,
+                                }).toList(),
-                                    child: Text('12 Hours'),
-                                  ),
-                                  DropdownMenuItem(
-                                    value: 1440,
-                                    child: Text('1 Day'),
-                                  ),
-                                  DropdownMenuItem(
-                                    value: 0,
-                                    child: Text('Never - Manual Only'),
-                                  ),
-                                ],
                                 onChanged: (value) {
                                   if (value != null) {
                                     settingsProvider.updateInterval = value;
                                   }
                                 }),
-                            const Spacer(),
+                            const SizedBox(
-                            Row(
+                              height: 8,
-                              mainAxisAlignment: MainAxisAlignment.center,
+                            ),
+                            Text(
+                              'Longer intervals recommended for large App collections',
+                              style: Theme.of(context)
+                                  .textTheme
+                                  .labelMedium!
+                                  .merge(const TextStyle(
+                                      fontStyle: FontStyle.italic)),
+                            ),
+                            const Divider(
+                              height: 48,
+                            ),
+                            Text(
+                              'Source-Specific',
+                              style: TextStyle(
+                                  color: Theme.of(context).colorScheme.primary),
+                            ),
+                            ...sourceProvider.sources.map((e) {
+                              if (e.moreSourceSettingsFormItems.isNotEmpty) {
+                                return GeneratedForm(
+                                    items: e.moreSourceSettingsFormItems
+                                        .map((e) => [e])
+                                        .toList(),
+                                    onValueChanges: (values, valid) {
+                                      if (valid) {
+                                        for (var i = 0;
+                                            i < values.length;
+                                            i++) {
+                                          settingsProvider.setSettingString(
+                                              e.moreSourceSettingsFormItems[i]
+                                                  .id,
+                                              values[i]);
+                                        }
+                                      }
+                                    },
+                                    defaultValues:
+                                        e.moreSourceSettingsFormItems.map((e) {
+                                      return settingsProvider
+                                              .getSettingString(e.id) ??
+                                          '';
+                                    }).toList());
+                              } else {
+                                return Container();
+                              }
+                            }),
+                          ],
+                        ))),
+          SliverToBoxAdapter(
+            child: Column(
               children: [
+                const SizedBox(
+                  height: 16,
+                ),
                 TextButton.icon(
                   style: ButtonStyle(
-                                    foregroundColor:
+                    foregroundColor: MaterialStateProperty.resolveWith<Color>(
-                                        MaterialStateProperty.resolveWith<
+                        (Set<MaterialState> states) {
-                                            Color>((Set<MaterialState> states) {
                       return Colors.grey;
                     }),
                   ),
@@ -223,14 +264,15 @@ class _SettingsPageState extends State<SettingsPage> {
                   icon: const Icon(Icons.code),
                   label: Text(
                     'Source',
-                                    style:
+                    style: Theme.of(context).textTheme.bodySmall,
-                                        Theme.of(context).textTheme.bodySmall,
+                  ),
+                ),
+                const SizedBox(
+                  height: 16,
+                ),
+              ],
             ),
           )
-                              ],
-                            ),
-                          ],
-                        )))
         ]));
   }
 }

lib/pages/test_page.dart

@@ -1,53 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:obtainium/components/generated_form.dart';
-
-class TestPage extends StatefulWidget {
-  const TestPage({super.key});
-
-  @override
-  State<TestPage> createState() => _TestPageState();
-}
-
-class _TestPageState extends State<TestPage> {
-  List<String?>? sourceSpecificData;
-  bool valid = false;
-
-  List<List<GeneratedFormItem>> sourceSpecificInputs = [
-    [GeneratedFormItem(label: 'Test Item 1')],
-    [
-      GeneratedFormItem(label: 'Test Item 2', required: false),
-      GeneratedFormItem(label: 'Test Item 3')
-    ],
-    [GeneratedFormItem(label: 'Test Item 4', type: FormItemType.bool)]
-  ];
-
-  List<String> defaultInputValues = ["ABC"];
-
-  void onSourceSpecificDataChanges(
-      List<String?> valuesFromForm, bool formValid) {
-    setState(() {
-      sourceSpecificData = valuesFromForm;
-      valid = formValid;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-        appBar: AppBar(title: const Text('Test Page')),
-        backgroundColor: Theme.of(context).colorScheme.surface,
-        body: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: 16),
-            child: Column(children: [
-              GeneratedForm(
-                items: sourceSpecificInputs,
-                onValueChanges: onSourceSpecificDataChanges,
-                defaultValues: defaultInputValues,
-              ),
-              ...(sourceSpecificData != null
-                  ? (sourceSpecificData as List<String?>)
-                      .map((e) => Text(e ?? ""))
-                  : [Container()])
-            ])));
-  }
-}

lib/providers/apps_provider.dart

@@ -5,15 +5,17 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:obtainium/app_sources/github.dart';
 import 'package:obtainium/providers/notifications_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:flutter_fgbg/flutter_fgbg.dart';
 import 'package:obtainium/providers/source_provider.dart';
 import 'package:http/http.dart';
-import 'package:install_plugin_v2/install_plugin_v2.dart';
+import 'package:flutter_install_app/flutter_install_app.dart';
 
 class AppInMemory {
   late App app;
@@ -96,30 +98,65 @@ class AppsProvider with ChangeNotifier {
       .where((element) => element.downloadProgress != null)
       .isNotEmpty;
 
-  // Given an AppId, uses stored info about the app to download an APK (with user input if needed) and install it
+  Future<bool> canInstallSilently(App app) async {
-  // Installs can only be done in the foreground, so a notification is sent to get the user's attention if needed
+    // TODO: This is unreliable - try to get from OS in the future
-  // Returns upon successful download, regardless of installation result
+    var osInfo = await DeviceInfoPlugin().androidInfo;
-  Future<bool> downloadAndInstallLatestApp(
+    return app.installedVersion != null &&
-      List<String> appIds, BuildContext context) async {
+        osInfo.version.sdkInt! >= 30 &&
+        osInfo.version.release!.compareTo('12') >= 0;
+  }
+
+  Future<void> askUserToReturnToForeground(BuildContext context,
+      {bool waitForFG = false}) async {
     NotificationsProvider notificationsProvider =
         context.read<NotificationsProvider>();
+    if (!isForeground) {
+      await notificationsProvider.notify(completeInstallationNotification,
+          cancelExisting: true);
+      if (waitForFG) {
+        await FGBGEvents.stream.first == FGBGType.foreground;
+        await notificationsProvider.cancel(completeInstallationNotification.id);
+      }
+    }
+  }
+
+  // Unfortunately this 'await' does not actually wait for the APK to finish installing
+  // So we only know that the install prompt was shown, but the user could still cancel w/o us knowing
+  // If appropriate criteria are met, the update (never a fresh install) happens silently  in the background
+  // But even then, we don't know if it actually succeeded
+  Future<void> installApk(ApkFile file) async {
+    await AppInstaller.installApk(file.file.path, actionRequired: false);
+    apps[file.appId]!.app.installedVersion =
+        apps[file.appId]!.app.latestVersion;
+    await saveApps([apps[file.appId]!.app]);
+  }
+
+  // Given a list of AppIds, uses stored info about the apps to download APKs and install them
+  // If the APKs can be installed silently, they are
+  // If no BuildContext is provided, apps that require user interaction are ignored
+  // If user input is needed and the App is in the background, a notification is sent to get the user's attention
+  // Returns an array of Ids for Apps that were successfully downloaded, regardless of installation result
+  Future<List<String>> downloadAndInstallLatestApp(
+      List<String> appIds, BuildContext? context) async {
     Map<String, String> appsToInstall = {};
     for (var id in appIds) {
       if (apps[id] == null) {
         throw 'App not found';
       }
-      // If the App has more than one APK, the user should pick one
+
+      // If the App has more than one APK, the user should pick one (if context provided)
       String? apkUrl = apps[id]!.app.apkUrls[apps[id]!.app.preferredApkIndex];
-      if (apps[id]!.app.apkUrls.length > 1) {
+      if (apps[id]!.app.apkUrls.length > 1 && context != null) {
         apkUrl = await showDialog(
             context: context,
             builder: (BuildContext ctx) {
               return APKPicker(app: apps[id]!.app, initVal: apkUrl);
             });
       }
-      // If the picked APK comes from an origin different from the source, get user confirmation
+      // If the picked APK comes from an origin different from the source, get user confirmation (if context provided)
       if (apkUrl != null &&
-          Uri.parse(apkUrl).origin != Uri.parse(apps[id]!.app.url).origin) {
+          Uri.parse(apkUrl).origin != Uri.parse(apps[id]!.app.url).origin &&
+          context != null) {
         if (await showDialog(
                 context: context,
                 builder: (BuildContext ctx) {
@@ -134,35 +171,65 @@ class AppsProvider with ChangeNotifier {
         int urlInd = apps[id]!.app.apkUrls.indexOf(apkUrl);
         if (urlInd != apps[id]!.app.preferredApkIndex) {
           apps[id]!.app.preferredApkIndex = urlInd;
-          await saveApp(apps[id]!.app);
+          await saveApps([apps[id]!.app]);
         }
+        if (context != null ||
+            (await canInstallSilently(apps[id]!.app) &&
+                apps[id]!.app.apkUrls.length == 1)) {
           appsToInstall.putIfAbsent(id, () => apkUrl!);
         }
       }
+    }
 
     List<ApkFile> downloadedFiles = await Future.wait(appsToInstall.entries
         .map((entry) => downloadApp(entry.value, entry.key)));
 
-    if (!isForeground) {
+    List<ApkFile> silentUpdates = [];
-      await notificationsProvider.notify(completeInstallationNotification,
+    List<ApkFile> regularInstalls = [];
-          cancelExisting: true);
-      await FGBGEvents.stream.first == FGBGType.foreground;
-      await notificationsProvider.cancel(completeInstallationNotification.id);
-      // We need to wait for the App to come to the foreground to install it
-      // Can't try to call install plugin in a background isolate (may not have worked anyways) because of:
-      // https://github.com/flutter/flutter/issues/13937
-    }
-
-    // Unfortunately this 'await' does not actually wait for the APK to finish installing
-    // So we only know that the install prompt was shown, but the user could still cancel w/o us knowing
-    // This also does not use the 'session-based' installer API, so background/silent updates are impossible
     for (var f in downloadedFiles) {
-      await InstallPlugin.installApk(f.file.path, 'dev.imranr.obtainium');
+      bool willBeSilent = await canInstallSilently(apps[f.appId]!.app);
-      apps[f.appId]!.app.installedVersion = apps[f.appId]!.app.latestVersion;
+      if (willBeSilent) {
-      await saveApp(apps[f.appId]!.app);
+        silentUpdates.add(f);
+      } else {
+        regularInstalls.add(f);
+      }
     }
 
-    return downloadedFiles.isNotEmpty;
+    // If Obtainium is being installed, it should be the last one
+    List<ApkFile> moveObtainiumToEnd(List<ApkFile> items) {
+      String obtainiumId = 'imranr98_obtainium_${GitHub().host}';
+      ApkFile? temp;
+      items.removeWhere((element) {
+        bool res = element.appId == obtainiumId;
+        if (res) {
+          temp = element;
+        }
+        return res;
+      });
+      if (temp != null) {
+        items.add(temp!);
+      }
+      return items;
+    }
+
+    silentUpdates = moveObtainiumToEnd(silentUpdates);
+    regularInstalls = moveObtainiumToEnd(regularInstalls);
+
+    for (var u in silentUpdates) {
+      await installApk(u);
+    }
+
+    if (context != null) {
+      if (regularInstalls.isNotEmpty) {
+        // ignore: use_build_context_synchronously
+        await askUserToReturnToForeground(context);
+      }
+      for (var i in regularInstalls) {
+        await installApk(i);
+      }
+    }
+
+    return downloadedFiles.map((e) => e.appId).toList();
   }
 
   Future<Directory> getAppsDir() async {
@@ -200,15 +267,19 @@ class AppsProvider with ChangeNotifier {
     notifyListeners();
   }
 
-  Future<void> saveApp(App app) async {
+  Future<void> saveApps(List<App> apps) async {
+    for (var app in apps) {
       File('${(await getAppsDir()).path}/${app.id}.json')
           .writeAsStringSync(jsonEncode(app.toJson()));
-    apps.update(app.id, (value) => AppInMemory(app, value.downloadProgress),
+      this.apps.update(
+          app.id, (value) => AppInMemory(app, value.downloadProgress),
           ifAbsent: () => AppInMemory(app, null));
+    }
     notifyListeners();
   }
 
-  Future<void> removeApp(String appId) async {
+  Future<void> removeApps(List<String> appIds) async {
+    for (var appId in appIds) {
       File file = File('${(await getAppsDir()).path}/$appId.json');
       if (file.existsSync()) {
         file.deleteSync();
@@ -216,8 +287,11 @@ class AppsProvider with ChangeNotifier {
       if (apps.containsKey(appId)) {
         apps.remove(appId);
       }
+    }
+    if (appIds.isNotEmpty) {
       notifyListeners();
     }
+  }
 
   bool checkAppObjectForUpdate(App app) {
     if (!apps.containsKey(app.id)) {
@@ -238,18 +312,34 @@ class AppsProvider with ChangeNotifier {
       if (currentApp.preferredApkIndex < newApp.apkUrls.length) {
         newApp.preferredApkIndex = currentApp.preferredApkIndex;
       }
-      await saveApp(newApp);
+      await saveApps([newApp]);
       return newApp;
+    } else if ((newApp.lastUpdateCheck?.microsecondsSinceEpoch ?? 0) -
+            (currentApp.lastUpdateCheck?.microsecondsSinceEpoch ?? 0) >
+        5000000) {
+      currentApp.lastUpdateCheck = newApp.lastUpdateCheck;
+      await saveApps([currentApp]);
     }
     return null;
   }
 
-  Future<List<App>> checkUpdates() async {
+  Future<List<App>> checkUpdates({DateTime? ignoreAfter}) async {
     List<App> updates = [];
     if (!gettingUpdates) {
       gettingUpdates = true;
 
       List<String> appIds = apps.keys.toList();
+      if (ignoreAfter != null) {
+        appIds = appIds
+            .where((id) =>
+                apps[id]!.app.lastUpdateCheck == null ||
+                apps[id]!.app.lastUpdateCheck!.isBefore(ignoreAfter))
+            .toList();
+      }
+      appIds.sort((a, b) => (apps[a]!.app.lastUpdateCheck ??
+              DateTime.fromMicrosecondsSinceEpoch(0))
+          .compareTo(apps[b]!.app.lastUpdateCheck ??
+              DateTime.fromMicrosecondsSinceEpoch(0)));
       for (int i = 0; i < appIds.length; i++) {
         App? newApp = await getUpdate(appIds[i]);
         if (newApp != null) {
@@ -261,15 +351,22 @@ class AppsProvider with ChangeNotifier {
     return updates;
   }
 
-  List<String> getExistingUpdates() {
+  List<String> getExistingUpdates(
+      {bool installedOnly = false, bool nonInstalledOnly = false}) {
     List<String> updateAppIds = [];
     List<String> appIds = apps.keys.toList();
     for (int i = 0; i < appIds.length; i++) {
       App? app = apps[appIds[i]]!.app;
-      if (app.installedVersion != app.latestVersion) {
+      if (app.installedVersion != app.latestVersion &&
+          (!installedOnly || !nonInstalledOnly)) {
+        if ((app.installedVersion == null &&
+                (nonInstalledOnly || !installedOnly) ||
+            (app.installedVersion != null &&
+                (installedOnly || !nonInstalledOnly)))) {
           updateAppIds.add(app.id);
         }
       }
+    }
     return updateAppIds;
   }
 
@@ -295,7 +392,7 @@ class AppsProvider with ChangeNotifier {
     for (App a in importedApps) {
       a.installedVersion =
           apps.containsKey(a.id) ? apps[a]?.app.installedVersion : null;
-      await saveApp(a);
+      await saveApps([a]);
     }
     notifyListeners();
     return importedApps.length;

lib/providers/notifications_provider.dart

@@ -33,6 +33,22 @@ class UpdateNotification extends ObtainiumNotification {
   }
 }
 
+class SilentUpdateNotification extends ObtainiumNotification {
+  SilentUpdateNotification(List<App> updates)
+      : super(
+            3,
+            'Apps Updated',
+            '',
+            'APPS_UPDATED',
+            'Apps Updated',
+            'Notifies the user that updates to one or more Apps were applied in the background',
+            Importance.defaultImportance) {
+    message = updates.length == 1
+        ? '${updates[0].name} was updated to ${updates[0].latestVersion}.'
+        : '${(updates.length == 2 ? '${updates[0].name} and ${updates[1].name}' : '${updates[0].name} and ${updates.length - 1} more apps')} were updated.';
+  }
+}
+
 class ErrorCheckingUpdatesNotification extends ObtainiumNotification {
   ErrorCheckingUpdatesNotification(String error)
       : super(

lib/providers/settings_provider.dart

@@ -13,6 +13,16 @@ enum SortColumnSettings { added, nameAuthor, authorName }
 
 enum SortOrderSettings { ascending, descending }
 
+const maxAPIRateLimitMinutes = 30;
+const minUpdateIntervalMinutes = maxAPIRateLimitMinutes + 30;
+const maxUpdateIntervalMinutes = 4320;
+List<int> updateIntervals = [15, 30, 60, 120, 180, 360, 720, 1440, 4320, 0]
+    .where((element) =>
+        (element >= minUpdateIntervalMinutes &&
+            element <= maxUpdateIntervalMinutes) ||
+        element == 0)
+    .toList();
+
 class SettingsProvider with ChangeNotifier {
   SharedPreferences? prefs;
 
@@ -45,7 +55,17 @@ class SettingsProvider with ChangeNotifier {
   }
 
   int get updateInterval {
-    return prefs?.getInt('updateInterval') ?? 1440;
+    var min = prefs?.getInt('updateInterval') ?? 180;
+    if (!updateIntervals.contains(min)) {
+      var temp = updateIntervals[0];
+      for (var i in updateIntervals) {
+        if (min > i && i != 0) {
+          temp = i;
+        }
+      }
+      min = temp;
+    }
+    return min;
   }
 
   set updateInterval(int min) {
@@ -95,11 +115,20 @@ class SettingsProvider with ChangeNotifier {
   }
 
   bool get showAppWebpage {
-    return prefs?.getBool('showAppWebpage') ?? true;
+    return prefs?.getBool('showAppWebpage') ?? false;
   }
 
   set showAppWebpage(bool show) {
     prefs?.setBool('showAppWebpage', show);
     notifyListeners();
   }
+
+  String? getSettingString(String settingId) {
+    return prefs?.getString(settingId);
+  }
+
+  void setSettingString(String settingId, String value) {
+    prefs?.setString(settingId, value);
+    notifyListeners();
+  }
 }

lib/providers/source_provider.dart

@@ -10,6 +10,7 @@ import 'package:obtainium/app_sources/gitlab.dart';
 import 'package:obtainium/app_sources/izzyondroid.dart';
 import 'package:obtainium/app_sources/mullvad.dart';
 import 'package:obtainium/app_sources/signal.dart';
+import 'package:obtainium/app_sources/sourceforge.dart';
 import 'package:obtainium/components/generated_form.dart';
 import 'package:obtainium/mass_app_sources/githubstars.dart';
 
@@ -37,6 +38,7 @@ class App {
   List<String> apkUrls = [];
   late int preferredApkIndex;
   late List<String> additionalData;
+  late DateTime? lastUpdateCheck;
   App(
       this.id,
       this.url,
@@ -46,7 +48,8 @@ class App {
       this.latestVersion,
       this.apkUrls,
       this.preferredApkIndex,
-      this.additionalData);
+      this.additionalData,
+      this.lastUpdateCheck);
 
   @override
   String toString() {
@@ -68,7 +71,10 @@ class App {
       json['preferredApkIndex'] == null ? 0 : json['preferredApkIndex'] as int,
       json['additionalData'] == null
           ? SourceProvider().getSource(json['url']).additionalDataDefaults
-          : List<String>.from(jsonDecode(json['additionalData'])));
+          : List<String>.from(jsonDecode(json['additionalData'])),
+      json['lastUpdateCheck'] == null
+          ? null
+          : DateTime.fromMicrosecondsSinceEpoch(json['lastUpdateCheck']));
 
   Map<String, dynamic> toJson() => {
         'id': id,
@@ -79,17 +85,18 @@ class App {
         'latestVersion': latestVersion,
         'apkUrls': jsonEncode(apkUrls),
         'preferredApkIndex': preferredApkIndex,
-        'additionalData': jsonEncode(additionalData)
+        'additionalData': jsonEncode(additionalData),
+        'lastUpdateCheck': lastUpdateCheck?.microsecondsSinceEpoch
       };
 }
 
 escapeRegEx(String s) {
   return s.replaceAllMapped(RegExp(r'[.*+?^${}()|[\]\\]'), (x) {
-    return "\\${x[0]}";
+    return '\\${x[0]}';
   });
 }
 
-makeUrlHttps(String url) {
+preStandardizeUrl(String url) {
   if (url.toLowerCase().indexOf('http://') != 0 &&
       url.toLowerCase().indexOf('https://') != 0) {
     url = 'https://$url';
@@ -128,6 +135,7 @@ abstract class AppSource {
   AppNames getAppNames(String standardUrl);
   late List<List<GeneratedFormItem>> additionalDataFormItems;
   late List<String> additionalDataDefaults;
+  late List<GeneratedFormItem> moreSourceSettingsFormItems;
 }
 
 abstract class MassAppSource {
@@ -144,14 +152,15 @@ class SourceProvider {
     FDroid(),
     IzzyOnDroid(),
     Mullvad(),
-    Signal()
+    Signal(),
+    SourceForge()
   ];
 
   // Add more mass source classes here so they are available via the service
   List<MassAppSource> massSources = [GitHubStars()];
 
   AppSource getSource(String url) {
-    url = makeUrlHttps(url);
+    url = preStandardizeUrl(url);
     AppSource? source;
     for (var s in sources) {
       if (url.toLowerCase().contains('://${s.host}')) {
@@ -176,9 +185,9 @@ class SourceProvider {
     return false;
   }
 
-  Future<App> getApp(
+  Future<App> getApp(AppSource source, String url, List<String> additionalData,
-      AppSource source, String url, List<String> additionalData) async {
+      {String customName = ''}) async {
-    String standardUrl = source.standardizeURL(makeUrlHttps(url));
+    String standardUrl = source.standardizeURL(preStandardizeUrl(url));
     AppNames names = source.getAppNames(standardUrl);
     APKDetails apk =
         await source.getLatestAPKDetails(standardUrl, additionalData);
@@ -186,20 +195,24 @@ class SourceProvider {
         '${names.author.toLowerCase()}_${names.name.toLowerCase()}_${source.host}',
         standardUrl,
         names.author[0].toUpperCase() + names.author.substring(1),
-        names.name[0].toUpperCase() + names.name.substring(1),
+        customName.trim().isNotEmpty
+            ? customName
+            : names.name[0].toUpperCase() + names.name.substring(1),
         null,
         apk.version,
         apk.apkUrls,
         apk.apkUrls.length - 1,
-        additionalData);
+        additionalData,
+        DateTime.now());
   }
 
   /// Returns a length 2 list, where the first element is a list of Apps and
   /// the second is a Map<String, dynamic> of URLs and errors
-  Future<List<dynamic>> getApps(List<String> urls) async {
+  Future<List<dynamic>> getApps(List<String> urls,
+      {List<String> ignoreUrls = const []}) async {
     List<App> apps = [];
     Map<String, dynamic> errors = {};
-    for (var url in urls) {
+    for (var url in urls.where((element) => !ignoreUrls.contains(element))) {
       try {
         var source = getSource(url);
         apps.add(await getApp(source, url, source.additionalDataDefaults));

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: animations
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   archive:
     dependency: transitive
     description:
@@ -175,7 +175,7 @@ packages:
       name: file_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.0"
+    version: "5.2.0+1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -188,6 +188,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.2.0"
+  flutter_install_app:
+    dependency: "direct main"
+    description:
+      name: flutter_install_app
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -208,7 +215,7 @@ packages:
       name: flutter_local_notifications
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "10.0.0"
+    version: "11.0.1"
   flutter_local_notifications_linux:
     dependency: transitive
     description:
@@ -275,13 +282,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.2.0"
-  install_plugin_v2:
-    dependency: "direct main"
-    description:
-      name: install_plugin_v2
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
   js:
     dependency: transitive
     description:
@@ -295,7 +295,7 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.6.0"
+    version: "4.7.0"
   lints:
     dependency: transitive
     description:
@@ -324,6 +324,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   nested:
     dependency: transitive
     description:
@@ -379,7 +386,7 @@ packages:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   path_provider_windows:
     dependency: transitive
     description:
@@ -393,14 +400,14 @@ packages:
       name: permission_handler
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.2"
   permission_handler_android:
     dependency: transitive
     description:
       name: permission_handler_android
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "10.0.0"
+    version: "10.1.0"
   permission_handler_apple:
     dependency: transitive
     description:
@@ -414,7 +421,7 @@ packages:
       name: permission_handler_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.7.0"
+    version: "3.8.0"
   permission_handler_windows:
     dependency: transitive
     description:
@@ -457,6 +464,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.0.3"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.4.0"
+  share_plus_linux:
+    dependency: transitive
+    description:
+      name: share_plus_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  share_plus_macos:
+    dependency: transitive
+    description:
+      name: share_plus_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.3"
+  share_plus_web:
+    dependency: transitive
+    description:
+      name: share_plus_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  share_plus_windows:
+    dependency: transitive
+    description:
+      name: share_plus_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -538,7 +587,7 @@ packages:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
@@ -566,7 +615,7 @@ packages:
       name: timezone
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.0"
+    version: "0.9.0"
   typed_data:
     dependency: transitive
     description:
@@ -580,7 +629,7 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.5"
+    version: "6.1.6"
   url_launcher_android:
     dependency: transitive
     description:
@@ -615,7 +664,7 @@ packages:
       name: url_launcher_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   url_launcher_web:
     dependency: transitive
     description:
@@ -636,7 +685,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "2.1.4"
   webview_flutter:
     dependency: "direct main"
     description:
@@ -650,21 +699,21 @@ packages:
       name: webview_flutter_android
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.10.1"
+    version: "2.10.3"
   webview_flutter_platform_interface:
     dependency: transitive
     description:
       name: webview_flutter_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.9.5"
   webview_flutter_wkwebview:
     dependency: transitive
     description:
       name: webview_flutter_wkwebview
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.9.4"
+    version: "2.9.5"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -17,7 +17,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.3.2+18 # When changing this, update the tag in main() accordingly
+version: 0.5.4+25 # When changing this, update the tag in main() accordingly
 
 environment:
   sdk: '>=2.19.0-79.0.dev <3.0.0'
@@ -38,13 +38,12 @@ dependencies:
   cupertino_icons: ^1.0.5
   path_provider: ^2.0.11
   flutter_fgbg: ^0.2.0 # Try removing reliance on this
-  flutter_local_notifications: ^10.0.0
+  flutter_local_notifications: ^11.0.1
   provider: ^6.0.3
   http: ^0.13.5
   webview_flutter: ^3.0.4
   workmanager: ^0.5.0
   dynamic_color: ^1.5.4
-  install_plugin_v2: ^1.0.0 # Try replacing this
   html: ^0.15.0
   shared_preferences: ^2.0.15
   url_launcher: ^6.1.5
@@ -53,6 +52,8 @@ dependencies:
   device_info_plus: ^4.1.2
   file_picker: ^5.1.0
   animations: ^2.0.4
+  flutter_install_app: ^1.3.0
+  share_plus: ^4.4.0
 
 
 dev_dependencies:

test/widget_test.dart

@@ -13,7 +13,7 @@ import 'package:obtainium/main.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const Obtainium());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);